Answer:
759,602
Explanation:
In this problem you would replace the x with 15 and break down the answer.
=

Now that you know the equation, break it down.
15² = 225
225 + (2 +
)
After rewriting the equation, do the work inside the parenthesis.
(2 +
) = (2 + 759,375) = 759,377
The equation will now look like this.
225 + (759,377)
Solve!
759, 602